Reaction catalyzed by alpha-galactosidase (3.2.1.22)

		+		H2O	=			+
	alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide	+		H2O	=		D-galactose	+		beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide